Description

5α-Cholestane-1α,19-Diol Diacetate is a high-purity steroidal diacetate derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in providing a precisely functionalized cholestane backbone for the research and development of novel bioactive compounds. This product is essential for pharmaceutical R&D laboratories and fine chemical manufacturers focused on steroid chemistry, hormone analogs, and other specialized life science applications.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based therapeutics and hormone analogs.
• Research Chemical: Used in academic and industrial R&D for studying sterol metabolism, receptor binding, and biochemical pathways.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex natural products and specialized organic molecules.
• Biochemical Probe Development: Utilized to create labeled or modified sterols for investigating cellular mechanisms and membrane biology.

Basic Information

Product Name	5α-Cholestane-1α,19-Diol Diacetate
CAS No.	28809-57-6
Molecular Formula	C₃₁H₅₂O₄
Molecular Weight	488.75 g/mol
Synonyms	1α,19-Diacetoxy-5α-cholestane; 5α-Cholestane-1α,19-diol, diacetate; (3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-1,3-diyl diacetate; 1α,19-Dihydroxy-5α-cholestane diacetate; Cholestane-1α,19-diol diacetate
EINECS	Contact for details

Quality Control

Our 5α-Cholestane-1α,19-Diol Diacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by spectroscopic methods, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is stable under these conditions but should be handled in accordance with good laboratory practices to prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.